====== Add MODBUS RTU device ======

1. Start a new project.

{{ :comfilepi:codesys:startnewproject.png?nolink |}}

2. Add device.

{{ :comfilepi:codesys:adddeviceformodbus.png?nolink |}}

3. Select //Modbus COM//

{{ :comfilepi:codesys:selectmodbuscom.png?nolink |}}

4. Add Modbus Master.

{{ :comfilepi:codesys:addmodbusmaster1.png?nolink |}}
{{ :comfilepi:codesys:addmodbusmaster2.png?nolink |}}

5. Add Modbus Slave.

{{ :comfilepi:codesys:addmodbusslave1.png?nolink |}}
{{ :comfilepi:codesys:addmodbusslave2.png?nolink |}}

Result
{{ :comfilepi:codesys:addmodbusslave3.png?nolink |}}

6. Now let's modify the Modbus properties.

6.1 Edit the //Modbus COM// options.
{{ :comfilepi:codesys:modbus_com_edit1.png?nolink |}}

Change it like this to connect with the CUBLOC-MSB later.
{{ :comfilepi:codesys:modbus_com_edit2.png?nolink |}}

6.2 Edit the Modbus Master options.
{{ :comfilepi:codesys:modbus_master_edit1.png?nolink |}}

6.3 Edit the Modbus Slave options.
{{ :comfilepi:codesys:modbus_slave_edit1.png?nolink |}}

[[comfilepi:codesys:index|CODESYS with the ComfilePi]]